Comtech EF Data CDM-740, Installation And Operation Manual

Page: 122 / 150

CDM-740 Advanced Satellite Modem Revision 0
Remote Control MN-CDM740
A–8
Parameter
Type
Command
(Instruction
& Qualifier)
Number of
Arguments
Description of Arguments
Response to
Command
Query
(Instruction
& Qualifier)
Response to Query
Tx Power
Level TPL= 4 bytes
Command or Query.
Tx Power Level in the form sxx.x, where:
s = sign [– (negative) or + (positive)]
xx.x: power value
Tx Output power level for 950 to 1950MHz range is between -5 and
-40 dBm.
Tx Output power level for 50 to 180MHz range is between -5 and -25
dBm.
Example: TPL=-13.4
TPL=
TPL?
TPL*
TPL# TPL?
TPL=sxx.x
(see Description of
Arguments)
Tx Scrambler TSC= 1 byte, 0, 1 or 2
Command or Query.
Tx Scrambler state, where:
0=Off
1=Normal (default)
2=IESS-315 when in Turbo mode
Example: TSC=2 (Scrambler On)
TSC=
TSC?
TSC*
TSC# TSC? TSC=x
(see Description of
Arguments)
Tx Spectrum
Invert TSI= 1 byte, 0 or 1
Command or Query.
Tx Spectrum Invert selection, where:
0=Normal
1=Tx Spectrum Inverted
Example: TSI=1 (which is normal)
TSI=
TSI?
TSI*
TSI# TSI? TSI=x
(see Description of
Arguments)
Tx Satellite
(Terminal)
Frequency
N/A 10 bytes Query only.
Terminal (aka satellite) Tx Frequency, which is the frequency transmitted
to the satellite.
Resolution=100 Hz
Returns 00000.0000 if LO is zero
Example: TTF=11650.2249
N/A TTF? TTF=xxxxx.xxxx
(see Description of
Arguments)
Tx Carrier
State TXO= 1 byte, value of
0 thru 1
Command or Query.
Tx Carrier State, where:
0=OFF due to front panel or remote control command
1=ON
Example: TXO=1 (Tx Carrier ON)
TXO=
TXO?
TXO*
TXO# TXO? TXO=x
(see Description of
Arguments)